MadBull Airsoft Shim Set
A gearbox shimming set made by Madbull in a variety of sizes and diameters. Increase the efficiency and life of your gearbox with the use of this shim set to properly adjust the placement on your gears for optimized performance.
- Comes in 0.1mm, 0.2mm, 0.3mm, 0.5mm thickness
- Reduces friction and wear on gears